Sharp R-1491 Instrukcja Obsługi Strona 1

R-1490R-1491R-1492In the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified shou

8R-1490R-1491R-1492TROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.

9R-1490R-1491R-1492TEST PROCEDURESPROCEDURELETTERCOMPONENT TESTM KEY UNIT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open

10R-1490R-1491R-1492TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(1) Fill approximately 200 milliliters (7.2 oz) of tap water in a 1000 milliliter meas

11R-1490R-1491R-1492TEST PROCEDURESPROCEDURELETTERCOMPONENT TESTSensor Dummy Resistor CircuitR1, R2 : 22Ω ± 1% 1/2WR3 : 4.3kΩ ± 5% 1/4WR4 : 1MΩ ± 5% 1

12R-1490R-1491R-1492ABSOLUTE HUMIDITY SENSOR CIRCUITthe food is heated to generate moisture by which theresistance balance of the bridge circuit is de

13R-1490R-1491R-1492Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts mayresult in se

14R-1490R-1491R-149215.Screw the oven lamp off from the lamp socket.16.Remove the lamp socket from the lamp angle.17.Pull the wire leads from the oven

15R-1490R-1491R-1492645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGHVOLTAGERECTIFIERHIGH VOLTAGEWIRE AHIGH VOLTAGECAPACITORHIGH VOLTA

16R-1490R-1491R-1492645123645123ABCDEFGHABCDEFGHFigure S-2. Control Panel Circuit+–+–+–+–+–A 7VRS1(J1)D20R110R110 47 1/2wC110 0.033µ/250vC110D25D26D27

17R-1490R-1491R-1492ELECTRIC PARTS1- 1 FH-DZB012MRY0 M High voltage rectifier assembly 1 AK1- 2 RC-QZA173WRE0 M High voltage capacitor 1 AR1- 3 QFS-

R-1490R-1491R-1492PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or al

18R-1490R-1491R-1492REF. NO. PART NO. § DESCRIPTION Q'TY CODED20 VHD1SS270A/-1 J Diode (1SS270A) 1 AAD25-28 VHD1SS270A/-1 J Diode (1SS270A) 4 AAD

19R-1490R-1491R-1492REF. NO. PART NO. § DESCRIPTION Q'TY CODEHOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, plea

20R-1490R-1491R-1492645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS4-11-127-32-12-54-134-192-67-44-247-36-107-57-1 1-161-137-87-37-31-177-97-97-84-

21R-1490R-1491R-1492645123645123ABCDEFGHABCDEFGHDOOR PARTSMISCELLANEOUS6-66-76-116-15-65-45-34-2155-15-2-15-25-55-65-66-1-15-2-45-2-25-2-36-1-26-1-36

22R-1490R-1491R-1492645123645123ABCDEFGHABCDEFGHPACKING AND ACCESSORIES'98 SHARP CORP. (4S2.530E) Printed in U.S.ACOPYRIGHT © 1998 BY SHARP CORPO

1R-1490R-1491R-1492WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfoll

2R-1490R-1491R-1492MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave rad

3R-1490R-1491R-1492SHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALOVER THE RANGE MICROWAVE OVENR-1490/ R-1491/149

4R-1490R-1491R-1492ITEM DESCRIPTIONPower Requirements 120 Volts / 14.3 Amperes60 HertzSingle phase, 3 wire groundedPower Output 950 watts (IEC-705 TES

5R-1490R-1491R-1492Electrical RequirementsThe oven is equipped with a 3-prong grounding plug. DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THEGROUNDIN

6R-1490R-1491R-1492OPERATIONDESCRIPTION OF OPERATING SEQUENCESENSOR COOKING CONDITIONUsing the INSTANT SENSOR function, the foods are cookedor defrost

7R-1490R-1491R-1492SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. COOKING TIME PROGRAMMED3. VARIABLE COOKING CONTROL "HIGH"4. "START&